public void LoadTypefaceFromDirectoryAsync(string typefaceDirectory, bool includeSubDirectories = true)
{
TypefaceCollection collection = null;
BackgroundWorker worker = new BackgroundWorker();
worker.DoWork += new DoWorkEventHandler(delegate(object sender, DoWorkEventArgs e)
{
collection = LoadTypefaceFromDirectory(typefaceDirectory, includeSubDirectories);
});
worker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(delegate(object sender, RunWorkerCompletedEventArgs e)
{
OnLoadTypefacesFromDirectoryCompleted(collection);
});
worker.RunWorkerAsync();
}
/// <summary>
/// Loads the typeface from directory.
/// </summary>
/// <param name="typefaceDirectory">The typeface directory.</param>
/// <param name="includeSubDirectories">if set to <c>true</c> [include sub directories].</param>
/// <returns></returns>
/// <exception cref="ArgumentException">fontDirectory must be specified!</exception>
/// <exception cref="DirectoryNotFoundException">Directory does not exist! " + typefaceDirectory</exception>
public TypefaceCollection LoadTypefaceFromDirectory(string typefaceDirectory, bool includeSubDirectories = true)
{
if (string.IsNullOrEmpty(typefaceDirectory))
{
throw new ArgumentException("fontDirectory must be specified!");
}
if (!Directory.Exists(typefaceDirectory))
{
throw new DirectoryNotFoundException("Directory does not exist! " + typefaceDirectory);
}
TypefaceCollection endResult = new TypefaceCollection();
SearchOption options = (includeSubDirectories ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly);
string[] typefaceFiles = Directory.GetFiles(typefaceDirectory, "*.ttf", options);
foreach (var typefaceFile in typefaceFiles)
{
try
{
endResult.AddTypefaceToFile(typefaceFile);
}
catch (Exception)
{
}
}
typefaceFiles = Directory.GetFiles(typefaceDirectory, "*.otf", options);
foreach (var typefaceFile in typefaceFiles)
{
try
{
endResult.AddTypefaceToFile(typefaceFile);
}
catch (Exception)
{
}
}
return(endResult);
}